Kei Wakakusa
type: MusicGroup
popularity: 7
followers: 445
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10c7228f90acdb1cf81cbb702cdcdcc39f7c298e0bd3823c4400e87953920d97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/517ca4aa-d8ff-40f8-b685-96358d645be6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/517ca4aa-d8ff-40f8-b685-96358d645be6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/517ca4aa-d8ff-40f8-b685-96358d645be6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x10c7228f90acdb1cf81cbb702cdcdcc39f7c298e0bd3823c4400e87953920d97","name":"Kei Wakakusa","registered_at":"2026-06-16T17:55:13Z","symbol":"NIM1130026","token_address":"0xc3a5af2276762d45e260d6b542e6deb02a6b3989","type":"artist","uuid":"517ca4aa-d8ff-40f8-b685-96358d645be6"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10c7228f90acdb1cf81cbb702cdcdcc39f7c298e0bd3823c4400e87953920d97. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/517ca4aa-d8ff-40f8-b685-96358d645be6.json and https://artists.proofprofile.net/proofs/artist/517ca4aa-d8ff-40f8-b685-96358d645be6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x10c7228f90acdb1cf81cbb702cdcdcc39f7c298e0bd3823c4400e87953920d97","name":"Kei Wakakusa","registered_at":"2026-06-16T17:55:13Z","symbol":"NIM1130026","token_address":"0xc3a5af2276762d45e260d6b542e6deb02a6b3989","type":"artist","uuid":"517ca4aa-d8ff-40f8-b685-96358d645be6"}
album: Heavy Metal L-GAIM Original Motion Picture Soundtrack Vol.1
  type: MusicAlbum
  date published: 1986-06-05
album: 重戦機エルガイム オリジナル・サウンドトラック Vol.1
  type: MusicAlbum
  date published: 1986-06-05
  track: スターライト・シャワー
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213133
    explicit: false
    by artist: Kei Wakakusa
    in album: 重戦機エルガイム オリジナル・サウンドトラック Vol.1
      type: MusicAlbum
      date published: 1986-06-05
    isrc code: JPKI08384037
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T20:56:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa55c1c9d357bc805ee050093aa863552e90803781e6349589d70d10686f72906
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958324
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958324
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI08384037
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T23:58:42Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55c1c9d357bc805ee050093aa863552e90803781e6349589d70d10686f72906. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:58:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI08384037.
      date published: 2026-07-16T23:58:42Z
    audio: スターライト・シャワー
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.458
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.569
      additional property: Energy
        type: PropertyValue
        value: 0.449
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.431
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.005
      additional property: Liveness
        type: PropertyValue
        value: 0.094
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.198
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.878
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 重戦機エルガイム オリジナル・サウンドトラック Vol.2
  type: MusicAlbum
  date published: 1986-07-15
album: Heavy Metal L-GAIM Original Motion Picture Soundtrack Vol.2
  type: MusicAlbum
  date published: 1986-07-15
album: 重戦機エルガイム オリジナル・サウンドトラック Vol.3
  type: MusicAlbum
  date published: 1986-08-21
album: Heavy Metal L-GAIM Original Motion Picture Soundtrack Vol.3
  type: MusicAlbum
  date published: 1986-08-21
  track: Kaze no No Reply
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212826
    explicit: false
    by artist: Kei Wakakusa
    in album: Heavy Metal L-GAIM Original Motion Picture Soundtrack Vol.3
      type: MusicAlbum
      date published: 1986-08-21
    isrc code: JPKI08485218
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T17:39:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe6b5c42de4e573bb0fc92299d92ec6d8ae9d460f23e4e8787ea9cd92a1326b60
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958447
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958447
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI08485218
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:47:19Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6b5c42de4e573bb0fc92299d92ec6d8ae9d460f23e4e8787ea9cd92a1326b60. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI08485218.
      date published: 2026-07-17T19:47:19Z
    audio: Kaze no No Reply
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 149.159
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.638
      additional property: Energy
        type: PropertyValue
        value: 0.515
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: あの日の僕をさがして（サントラ） (サウンドトラック)
album: 「十年愛」サウンド トラック (サウンドトラック)
album: 世界名作劇場 メモリアル音楽館 私のあしながおじさん

Acousticness
type: PropertyValue
value: 0.019

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.141

Valence (Positivity)
type: PropertyValue
value: 0.702

Loudness (dB)
type: PropertyValue
value: -13.612

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

あの日の僕をさがして（サントラ） (サウンドトラック)
type: MusicAlbum
date published: 1992-06-10

「十年愛」サウンド トラック (サウンドトラック)
type: MusicAlbum
date published: 1992-12-09

世界名作劇場 メモリアル音楽館 私のあしながおじさん
type: MusicAlbum
date published: 2010-01-20
track: グローイング・アップ
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189373
  explicit: false
  by artist: Kei Wakakusa
  in album: 世界名作劇場 メモリアル音楽館 私のあしながおじさん
    type: MusicAlbum
    date published: 2010-01-20
  isrc code: JPCO08852980
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T10:00:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x35c95fc9618145a704ccbebec43d404888757cbd1590e896123bfbcbdf4971c8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958865
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958865
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO08852980
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T13:01:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35c95fc9618145a704ccbebec43d404888757cbd1590e896123bfbcbdf4971c8. Chain 2 (Bitcoin): anchored in block 958865 (2026-07-20T13:01:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO08852980.
    date published: 2026-07-20T13:01:28Z
  audio: グローイング・アップ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.231
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.647
    additional property: Energy
      type: PropertyValue
      value: 0.461
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.806
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.161
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.397
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.352
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major